EXPORT

"test_ie" is exported by default. "canon_ie", "format_ie", "random_ie" and "parse_ie" can be exported on demand.

AC

The state of Acre uses:

• 13-digits number
• the last two are check digits
• the usual formatting is like '01.004.823/001-12'
• if the IE-AC number is decomposed into digits like this

    a_1 a_2 a_3 a_4 a_5 a_6 a_7 a_8 a_9 a_10 a_11 d_1 d_2
      

  it is correct if

    a_1 a_2 = 0 1
      

  (that is, it always begin with "01") and if it satisfies the check equations:

    4 a_1 + 3 a_2 + 2 a_3 + 9 a_4  + 8 a_5  + 7 a_6 + 6 a_7 +
                    5 a_8 + 4 a_9 + 3 a_10 + 2 a_11 +   d_1   = 0 (mod 11) or
                                                              = 1 (mod 11) (if d_1 = 0)
    5 a_1 + 4 a_2 + 3 a_3 + 2 a_4  + 9 a_5  + 8 a_6 + 7 a_7 +
            6 a_8 + 5 a_9 + 4 a_10 + 3 a_11 + 2 d_1 +   d_2  = 0 (mod 11) or
                                                             = 1 (mod 11) (if d_2 = 0)
      

AL

The state of Alagoas uses:

• 9-digits number
• the last one is a check digit
• the usual formatting is like '24.000.004-8'
• if the IE-AL number is decomposed into digits like this

    a_1 a_2 a_3 a_4 a_5 a_6 a_7 a_8 d_1
      

  it is correct if it always begin with "24" (the code for the state of Alagoas),

    a_1 a_2 = 2 4
      

  if the following digit identifies a valid company type

    0 - "normal"
    1 - "normal"
    3 - "produtor rural"
    5 - "substituta"
    6 - "empresa pequeno porte"
    7 - "micro empresa ambulante"
    8 - "micro empresa"
    9 - "especial"
      

  and if it satisfies the check equation:

    ( 9 a_1 + 2 a_2 + 3 a_3 + 4 a_4 + 5 a_5
                      6 a_6 + 7 a_7 + 8 a_8 ) * 10 - d_1 = 0  (mod 11) or
                                                         = 10 (mod 11) (if d_1 = 0)
      

AM

The state of Amazonas uses:

• 9-digits number
• the last one is a check digit
• the usual formatting is like '11.111.111-0'
• if the IE-AM number is decomposed into digits like this

    a_1 a_2 a_3 a_4 a_5 a_6 a_7 a_8 d_1
      

  it is correct if it satisfies the check equation:

    9 a_1 + 8 a_2 + 7 a_3 + 6 a_4 + 5 a_5
                      4 a_6 + 3 a_7 + 2 a_8   + d_1 = 0  (mod 11) or
                                                    = 1  (mod 11) (if d_1 = 0)
      

BA

The state of Bahia uses:

• 8-digits number
• the last two are check digits
• the usual formatting is like '123456-63'

MA

The state of Maranhão uses:

• 9-digits number
• the 9th is a check digit
• the usual formatting is like '12.000.038-5'
• if the IE-MA number is decomposed into digits like this

    a_1 a_2 a_3 a_4 a_5 a_6 a_7 a_8 d_1
      

  it is correct if it always begin with "12" (the code for the state of Maranhão),

    a_1 a_2 = 1 2
      

  and if it satisfies the check equation:

    ( 9 a_1 + 8 a_2 + 7 a_3 + 6 a_4 + 5 a_5
                      4 a_6 + 3 a_7 + 2 a_8 ) - d_1 = 0  (mod 11) or
                                                    = 10 (mod 11) (if d_1 = 0)
      

MG

The state of Minas Gerais uses:

• 13-digits number
• the 11th and 12th are check digits
• the usual formatting is like '062.307.904/0081'
• to determine if IE/MG number is correct, the computation rules in

    http://www.sintegra.gov.br/Cad_Estados/cad_MG.html
      

  must be followed. (Yes, they are boring and hard to describe.)

PR

The state of Paraná uses:

• 10-digits number
• the 9th and 10th are check digits
• the usual formatting is like '123.45678-50'

RO

The state of Rondônia uses:

• 14-digits number
• the 14th is a check digit
• the usual formatting is like '0000000062521-3'
• if the IE-RO number is decomposed into digits like this

    a_1 a_2 a_3 a_4 a_5 a_6 a_7 a_8 a_9 a_10 a_11 a_12 a_13 d_1
      

  it is correct if it satisfies the check equation:

    ( 6 a_1 + 5 a_2 + 4 a_3 + 3 a_4 + 2 a_5 +
      9 a_6 + 8 a_7 + 7 a_8 + 6 a_9 + 5 a_10 +
      4 a_11 + 3 a_12 + 2 a_13 + d_1            = 0  (mod 11) or
                                                = 1  (mod 11) if d_1 = 0
      

RR

The state of Roraima uses:

• 9-digits number
• the 9th is a check digit
• the usual formatting is like '24.006.628-1'
• if the IE-RR number is decomposed into digits like this

    a_1 a_2 a_3 a_4 a_5 a_6 a_7 a_8 d_1
      

  it is correct if it always begin with "24" (the code for the state of Roraima),

    a_1 a_2 = 2 4
      

  and if it satisfies the check equation:

    ( 1 a_1 + 2 a_2 + 3 a_3 + 4 a_4 + 5 a_5
                      6 a_6 + 7 a_7 + 8 a_8 ) - d_1 = 0  (mod 9)
      

SP

The state of São Paulo uses:

• 12-digits number
• the 9th and 12nd are check digits
• the usual formatting is like '110.042.490.114'